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Mark R. Ludwikowski

fax +1 202.772.0919

Mark R. Ludwikowski represents corporate and government clients in trade remedy proceedings and customs matters in helping them maintain access to U.S. and foreign markets for their goods and services. His practice spans sectors and industries, including retail, automotive, consumer, agricultural, metals, and wood products.

Mark draws on more than two decades of international trade experience, including service in the U.S. government, as in-house counsel, and in private practice. He advises on trade remedy matters covered by antidumping, countervailing duty, safeguard, and other laws affecting the transfer of goods across borders.

Mark represents clients before multiple U.S. agencies, including the Department of Commerce (DOC), International Trade Commission (ITC), Customs and Border Protection (CBP), the Office of the United States Trade Representative, as well as in litigation before the Court of International Trade and Court of Appeals for the Federal Circuit.


J.D., The Catholic University of America, Columbus School of Law, Washington DC
B.A., Catholic University of America, Washington, Washington DC, Political Science and Business Administration
International Business and Trade Summer Law Program, Jagiellonian University, International Business and Trade Summer Law Program


American Association for Exporters and Importers

International Compliance Professionals Association

Customs and International Trade Bar Association – Secretary



State Bar Licenses

District of Columbia

Court Admissions

U.S. Court of Appeals, Federal Circuit
U.S. Court of International Trade


  • Exclusion from Section 301 tariffs on retail client’s imported fleece and yarn products, eliminating millions of dollars in duty liability and potential store closures.
  • Saving a U.S. importer more than $100 million in antidumping (AD) duties resulting from a CBP audit of imports of wooden bedroom furniture from China.
  • Termination of the AD and countervailing duty (CVD) investigation on steel wheels from China at the ITC on behalf of importer clients.
  • Securing a 0% AD rate for an exporter client in the first DOC annual review of multilayered wood flooring from China.
  • Termination of the AD/CVD investigation of 53-foot domestic dry containers from China at the ITC on behalf of importer clients.
  • Saving an importer more than $1 million per month in AD duties through exclusion of its product from the scope of the hand trucks from China case.
  • In Off-the-Road Tires from Sri Lanka, the first CVD investigation against that country in more than 30 years, securing a nominal CVD margin of 2.18% (only .18% over de minimis) for the government.
  • Securing a 0% AD rate for exporter client in the DOC annual review of honey from Argentina.
  • Through successful court challenge, securing a 0% AD rate for Korean clients in polyester staple fiber investigation.
  • Exclusion of the Latvian steel industry from the Section 201 Global Safeguards Investigation on steel.
  • WEBINAR: “New Trade Case on Imports of Plastic Decorative Ribbons from China”
  • Panelist – “Trade Regulation. US Tariff Strategies and Brexit,” VI International Euro Latam Lex Congress, Washington, D.C., February 7, 2020.
  • Panelist – “Trade & Investment Regulations: Paths to Success,” Select USA Investment Summit, Washington, D.C., June 11, 2019.
  • Presenter – “Review of Recent Tariff Proceedings,” Retail Industry/In-House Networking Group, Houston, TX, September 26, 2018
  • Presenter – “U.S Trade Policy,” Emerging FDI Company Network, American Chamber of Commerce, Dublin, Ireland, September 18, 2018
  • Presenter – “U.S. Trade Policy,” Emerging Leaders Networks, American Chamber of Commerce, Dublin, Ireland, September 18, 2018
  • Presenter – “NAFTA Now: What Works – What Doesn’t and What Could Be Better,” Globalaw America’s Regional Meeting, Chicago, IL, July 9, 2018
  • Presenter – “NAFTA: Is There Life In It Yet or Will It Be ‘Ripped Up?” Michigan Manufacturers Association, MFG Law Summit, Dearborn, MI, February 22, 2018
  • Presenter – “Trade Under Trump: Big Changes May Be Ahead for Trade Remedies and Antidumping Rules,” May 30, 2017
  • Speaker – “Ethics and Legal Practice: Challenges For Trade Lawyers,” The United States Court of International Trade, 19th Judicial Conference, November 2016
  • Speaker, “Who is the ‘Exporter’? How to Ensure the Proper Rate for Your Client,” Georgetown University International Trade Update, February 2016